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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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db0f68529a
The NAND Ready/Busy# line is connected to GPMC_WAIT0 pin and can't be used for wait state insertion for NAND I/O read/write. So disable read/write wait monitoring as per Reference Manual's suggestion [1]. [1] AM335x TRM: SPRUH73L: 7.1.3.3.12.2 NAND Device-Ready Pin Cc: Teresa Remmet <t.remmet@phytec.de> Cc: Ilya Ledvich <ilya@compulab.co.il> Cc: Yegor Yefremov <yegorslists@googlemail.com> Cc: Rostislav Lisovy <lisovy@gmail.com> Cc: Enric Balletbo i Serra <eballetbo@iseebcn.com> Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
323 lines
6.5 KiB
Plaintext
323 lines
6.5 KiB
Plaintext
/*
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* am335x-igep0033.dtsi - Device Tree file for IGEP COM AQUILA AM335x
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*
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* Copyright (C) 2013 ISEE 2007 SL - http://www.isee.biz
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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/dts-v1/;
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#include "am33xx.dtsi"
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#include <dt-bindings/interrupt-controller/irq.h>
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/ {
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cpus {
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cpu@0 {
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cpu0-supply = <&vdd1_reg>;
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};
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};
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memory {
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device_type = "memory";
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reg = <0x80000000 0x10000000>; /* 256 MB */
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};
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leds {
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pinctrl-names = "default";
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pinctrl-0 = <&leds_pins>;
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compatible = "gpio-leds";
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led@0 {
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label = "com:green:user";
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gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;
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default-state = "on";
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};
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};
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vbat: fixedregulator@0 {
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compatible = "regulator-fixed";
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regulator-name = "vbat";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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regulator-boot-on;
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};
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vmmc: fixedregulator@0 {
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compatible = "regulator-fixed";
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regulator-name = "vmmc";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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};
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};
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&am33xx_pinmux {
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i2c0_pins: pinmux_i2c0_pins {
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pinctrl-single,pins = <
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AM33XX_IOPAD(0x988, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_sda.i2c0_sda */
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AM33XX_IOPAD(0x98c, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_scl.i2c0_scl */
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>;
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};
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nandflash_pins: pinmux_nandflash_pins {
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pinctrl-single,pins = <
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AM33XX_IOPAD(0x800, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad0.gpmc_ad0 */
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AM33XX_IOPAD(0x804, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad1.gpmc_ad1 */
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AM33XX_IOPAD(0x808, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad2.gpmc_ad2 */
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AM33XX_IOPAD(0x80c, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad3.gpmc_ad3 */
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AM33XX_IOPAD(0x810, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad4.gpmc_ad4 */
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AM33XX_IOPAD(0x814, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad5.gpmc_ad5 */
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AM33XX_IOPAD(0x818, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad6.gpmc_ad6 */
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AM33XX_IOPAD(0x81c, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad7.gpmc_ad7 */
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AM33XX_IOPAD(0x870, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_wait0.gpmc_wait0 */
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AM33XX_IOPAD(0x874, PIN_INPUT_PULLUP | MUX_MODE7) /* gpmc_wpn.gpio0_30 */
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AM33XX_IOPAD(0x87c, PIN_OUTPUT | MUX_MODE0) /* gpmc_csn0.gpmc_csn0 */
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AM33XX_IOPAD(0x890, PIN_OUTPUT | MUX_MODE0) /* gpmc_advn_ale.gpmc_advn_ale */
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AM33XX_IOPAD(0x894, PIN_OUTPUT | MUX_MODE0) /* gpmc_oen_ren.gpmc_oen_ren */
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AM33XX_IOPAD(0x898, PIN_OUTPUT | MUX_MODE0) /* gpmc_wen.gpmc_wen */
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AM33XX_IOPAD(0x89c, PIN_OUTPUT | MUX_MODE0) /* gpmc_be0n_cle.gpmc_be0n_cle */
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>;
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};
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uart0_pins: pinmux_uart0_pins {
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pinctrl-single,pins = <
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AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */
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AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */
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>;
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};
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leds_pins: pinmux_leds_pins {
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pinctrl-single,pins = <
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AM33XX_IOPAD(0x85c, PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpmc_a7.gpio1_23 */
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>;
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};
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};
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&mac {
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status = "okay";
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};
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&davinci_mdio {
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status = "okay";
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};
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&cpsw_emac0 {
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phy_id = <&davinci_mdio>, <0>;
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phy-mode = "rmii";
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};
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&cpsw_emac1 {
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phy_id = <&davinci_mdio>, <1>;
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phy-mode = "rmii";
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};
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&phy_sel {
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rmii-clock-ext;
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};
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&elm {
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status = "okay";
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};
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&gpmc {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&nandflash_pins>;
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ranges = <0 0 0x08000000 0x1000000>; /* CS0: 16MB for NAND */
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nand@0,0 {
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compatible = "ti,omap2-nand";
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reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
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interrupt-parent = <&gpmc>;
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interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
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<1 IRQ_TYPE_NONE>; /* termcount */
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nand-bus-width = <8>;
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ti,nand-ecc-opt = "bch8";
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gpmc,device-width = <1>;
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gpmc,sync-clk-ps = <0>;
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gpmc,cs-on-ns = <0>;
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gpmc,cs-rd-off-ns = <44>;
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gpmc,cs-wr-off-ns = <44>;
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gpmc,adv-on-ns = <6>;
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gpmc,adv-rd-off-ns = <34>;
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gpmc,adv-wr-off-ns = <44>;
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gpmc,we-on-ns = <0>;
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gpmc,we-off-ns = <40>;
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gpmc,oe-on-ns = <0>;
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gpmc,oe-off-ns = <54>;
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gpmc,access-ns = <64>;
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gpmc,rd-cycle-ns = <82>;
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gpmc,wr-cycle-ns = <82>;
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gpmc,bus-turnaround-ns = <0>;
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gpmc,cycle2cycle-delay-ns = <0>;
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gpmc,clk-activation-ns = <0>;
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gpmc,wr-access-ns = <40>;
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gpmc,wr-data-mux-bus-ns = <0>;
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#address-cells = <1>;
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#size-cells = <1>;
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elm_id = <&elm>;
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/* MTD partition table */
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partition@0 {
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label = "SPL";
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reg = <0x00000000 0x000080000>;
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};
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partition@1 {
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label = "U-boot";
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reg = <0x00080000 0x001e0000>;
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};
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partition@2 {
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label = "U-Boot Env";
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reg = <0x00260000 0x00020000>;
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};
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partition@3 {
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label = "Kernel";
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reg = <0x00280000 0x00500000>;
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};
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partition@4 {
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label = "File System";
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reg = <0x00780000 0x007880000>;
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};
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};
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};
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&i2c0 {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&i2c0_pins>;
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clock-frequency = <400000>;
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tps: tps@2d {
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reg = <0x2d>;
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};
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};
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&mmc1 {
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status = "okay";
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vmmc-supply = <&vmmc>;
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bus-width = <4>;
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};
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&uart0 {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&uart0_pins>;
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};
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&usb {
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status = "okay";
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};
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&usb_ctrl_mod {
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status = "okay";
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};
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&usb0_phy {
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status = "okay";
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};
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&usb1_phy {
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status = "okay";
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};
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&usb0 {
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status = "okay";
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};
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&usb1 {
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status = "okay";
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dr_mode = "host";
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};
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&cppi41dma {
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status = "okay";
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};
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#include "tps65910.dtsi"
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&tps {
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vcc1-supply = <&vbat>;
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vcc2-supply = <&vbat>;
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vcc3-supply = <&vbat>;
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vcc4-supply = <&vbat>;
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vcc5-supply = <&vbat>;
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vcc6-supply = <&vbat>;
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vcc7-supply = <&vbat>;
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vccio-supply = <&vbat>;
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regulators {
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vrtc_reg: regulator@0 {
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regulator-always-on;
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};
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vio_reg: regulator@1 {
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regulator-always-on;
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};
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vdd1_reg: regulator@2 {
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/* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */
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regulator-name = "vdd_mpu";
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regulator-min-microvolt = <912500>;
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regulator-max-microvolt = <1312500>;
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regulator-boot-on;
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regulator-always-on;
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};
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vdd2_reg: regulator@3 {
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/* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */
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regulator-name = "vdd_core";
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regulator-min-microvolt = <912500>;
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regulator-max-microvolt = <1150000>;
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regulator-boot-on;
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regulator-always-on;
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};
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vdd3_reg: regulator@4 {
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regulator-always-on;
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};
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vdig1_reg: regulator@5 {
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regulator-always-on;
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};
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vdig2_reg: regulator@6 {
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regulator-always-on;
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};
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vpll_reg: regulator@7 {
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regulator-always-on;
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};
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vdac_reg: regulator@8 {
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regulator-always-on;
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};
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vaux1_reg: regulator@9 {
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regulator-always-on;
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};
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vaux2_reg: regulator@10 {
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regulator-always-on;
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};
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vaux33_reg: regulator@11 {
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regulator-always-on;
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};
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vmmc_reg: regulator@12 {
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regulator-always-on;
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};
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};
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};
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